Hello, this is kujiraitakahiro@opensourcetech as LinuC Evangelist.
nginx mainline latest version 1.15.5 release!!
Changelogs are follows.
and 2MLs( The nginx-devel October 2018 Archive by thread , The nginx October 2018 Archive by thread)
Changes with nginx 1.15.5 02 Oct 2018
*) Bugfix: a segmentation fault might occur in a worker process when
using OpenSSL 1.1.0h or newer; the bug had appeared in 1.15.4.
*) Bugfix: of minor potential bugs.